<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>Document</title>
	<link rel="stylesheet" type="text/css" href="css/bootstrap.min.css">
	<script type="text/javascript" src="js/jquery.js"></script>
	<script type="text/javascript" src="js/bootstrap.min.js"></script>
</head>
<body>
	<button type="button" class="btn btn-default">default</button>

	<button type="button" class="btn btn-primary">primary</button>
	<button type="button" class="btn btn-success">success</button>
	<button type="button" class="btn btn-info">info</button>
	<button type="button" class="btn btn-warning">warning</button>
	<button type="button" class="btn btn-danger">danger</button>
	<button type="button" class="btn btn-link">link</button>

	<button type="button" class="btn btn-default btn-sm">sm</button>

	<button type="button" class="btn btn-default btn-md">md</button>

	<button type="button" class="btn btn-default btn-lg btn-block">lf</button>

	<button type="button" class="btn btn-default btn-xs">xs</button>
</body>
</html>